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                <h1 class="kratos-entry-title text-center" itemprop="name headline">html拖拽排序</h1>
            
            
            <ul class="kratos-post-meta text-center">
                <li><time datetime="2023-06-30T07:07:20.000Z" itemprop="datePublished"><i class="fa fa-calendar"></i> 2023-06-30</time></li>
                <li itemprop="author" itemscope itemtype="https://schema.org/Person">
                    <i class="fa fa-user"></i> 作者 <span itemprop="name">Sun Liusen</span>
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                <div class="text"><p>本文最后编辑于 <time datetime="1734347224238"></time> 前，其中的内容可能需要更新。</p></div>
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class="line">210</span><br><span class="line">211</span><br></pre></td><td class="code"><pre><span class="line">&lt;!DOCTYPE html&gt;</span><br><span class="line">&lt;html lang=&quot;en&quot;&gt;</span><br><span class="line"></span><br><span class="line">&lt;head&gt;</span><br><span class="line">    &lt;meta charset=&quot;UTF-8&quot;&gt;</span><br><span class="line">    &lt;meta http-equiv=&quot;X-UA-Compatible&quot; content=&quot;IE=edge&quot;&gt;</span><br><span class="line">    &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;</span><br><span class="line">    &lt;title&gt;Document&lt;/title&gt;</span><br><span class="line">    &lt;style&gt;</span><br><span class="line">        * &#123;</span><br><span class="line">            margin: 0;</span><br><span class="line">            padding: 0;</span><br><span class="line">            box-sizing: border-box;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        .grid &#123;</span><br><span class="line">            display: flex;</span><br><span class="line">            flex-wrap: wrap;</span><br><span class="line">            margin: 0 -15px -15px 0;</span><br><span class="line">            touch-action: none;</span><br><span class="line">            user-select: none;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        .grid-item &#123;</span><br><span class="line">            width: 90px;</span><br><span class="line">            height: 90px;</span><br><span class="line">            line-height: 88px;</span><br><span class="line">            text-align: center;</span><br><span class="line">            margin: 0 15px 15px 0;</span><br><span class="line">            background: #FFF;</span><br><span class="line">            border: 1px solid #d6d6d6;</span><br><span class="line">            list-style: none;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        .active &#123;</span><br><span class="line">            background: #c8ebfb;</span><br><span class="line">        &#125;</span><br><span class="line"></span><br><span class="line">        .clone-grid-item &#123;</span><br><span class="line">            position: fixed;</span><br><span class="line">            left: 0;</span><br><span class="line">            top: 0;</span><br><span class="line">            z-index: 1;</span><br><span class="line">            width: 90px;</span><br><span class="line">            height: 90px;</span><br><span class="line">            line-height: 88px;</span><br><span class="line">            text-align: center;</span><br><span class="line">            background: #FFF;</span><br><span class="line">            border: 1px solid #d6d6d6;</span><br><span class="line">            opacity: 0.8;</span><br><span class="line">            list-style: none;</span><br><span class="line">        &#125;</span><br><span class="line">    &lt;/style&gt;</span><br><span class="line">&lt;/head&gt;</span><br><span class="line"></span><br><span class="line">&lt;body&gt;</span><br><span class="line">    &lt;ul class=&quot;grid&quot;&gt;</span><br><span class="line">        &lt;li class=&quot;grid-item&quot;&gt;item1&lt;/li&gt;</span><br><span class="line">        &lt;li class=&quot;grid-item&quot;&gt;item2&lt;/li&gt;</span><br><span class="line">        &lt;li class=&quot;grid-item&quot;&gt;item3&lt;/li&gt;</span><br><span class="line">        &lt;li class=&quot;grid-item&quot;&gt;item4&lt;/li&gt;</span><br><span class="line">        &lt;li class=&quot;grid-item&quot;&gt;item5&lt;/li&gt;</span><br><span class="line">        &lt;li class=&quot;grid-item&quot;&gt;item6&lt;/li&gt;</span><br><span class="line">        &lt;li class=&quot;grid-item&quot;&gt;item7&lt;/li&gt;</span><br><span class="line">        &lt;li class=&quot;grid-item&quot;&gt;item8&lt;/li&gt;</span><br><span class="line">        &lt;li class=&quot;grid-item&quot;&gt;item9&lt;/li&gt;</span><br><span class="line">        &lt;li class=&quot;grid-item&quot;&gt;item10&lt;/li&gt;</span><br><span class="line">    &lt;/ul&gt;</span><br><span class="line">    &lt;script&gt;</span><br><span class="line">        class Draggable &#123;</span><br><span class="line">            constructor(options) &#123;</span><br><span class="line">                this.parent = options.element; // 父级元素</span><br><span class="line">                this.cloneElementClassName = options.cloneElementClassName; // 克隆元素类名</span><br><span class="line">                this.isPointerdown = false;</span><br><span class="line">                this.diff = &#123; x: 0, y: 0 &#125;; // 相对于上一次移动差值</span><br><span class="line">                this.drag = &#123; element: null, index: 0, lastIndex: 0 &#125;; // 拖拽元素</span><br><span class="line">                this.drop = &#123; element: null, index: 0, lastIndex: 0 &#125;; // 释放元素</span><br><span class="line">                this.clone = &#123; element: null, x: 0, y: 0 &#125;;</span><br><span class="line">                this.lastPointermove = &#123; x: 0, y: 0 &#125;;</span><br><span class="line">                this.rectList = []; // 用于保存拖拽项getBoundingClientRect()方法获得的数据</span><br><span class="line">                this.init();</span><br><span class="line">            &#125;</span><br><span class="line">            init() &#123;</span><br><span class="line">                this.getRect();</span><br><span class="line">                this.bindEventListener();</span><br><span class="line">            &#125;</span><br><span class="line">            // 获取元素位置信息</span><br><span class="line">            getRect() &#123;</span><br><span class="line">                this.rectList.length = 0;</span><br><span class="line">                for (const item of this.parent.children) &#123;</span><br><span class="line">                    this.rectList.push(item.getBoundingClientRect());</span><br><span class="line">                &#125;</span><br><span class="line">            &#125;</span><br><span class="line">            handlePointerdown(e) &#123;</span><br><span class="line">                // 如果是鼠标点击，只响应左键</span><br><span class="line">                if (e.pointerType === &#x27;mouse&#x27; &amp;&amp; e.button !== 0) &#123;</span><br><span class="line">                    return;</span><br><span class="line">                &#125;</span><br><span class="line">                if (e.target === this.parent) &#123;</span><br><span class="line">                    return;</span><br><span class="line">                &#125;</span><br><span class="line">                this.isPointerdown = true;</span><br><span class="line">                this.parent.setPointerCapture(e.pointerId);</span><br><span class="line">                this.lastPointermove.x = e.clientX;</span><br><span class="line"></span><br><span class="line">                this.lastPointermove.y = e.clientY;</span><br><span class="line">                this.drag.element = e.target;</span><br><span class="line">                this.drag.element.classList.add(&#x27;active&#x27;);</span><br><span class="line">                this.clone.element = this.drag.element.cloneNode(true);</span><br><span class="line">                this.clone.element.className = this.cloneElementClassName;</span><br><span class="line">                this.clone.element.style.transition = &#x27;none&#x27;;</span><br><span class="line">                const i = [].indexOf.call(this.parent.children, this.drag.element);</span><br><span class="line">                this.clone.x = this.rectList[i].left;</span><br><span class="line">                this.clone.y = this.rectList[i].top;</span><br><span class="line">                this.drag.index = i;</span><br><span class="line">                this.drag.lastIndex = i;</span><br><span class="line">                this.clone.element.style.transform = &#x27;translate3d(&#x27; + this.clone.x + &#x27;px, &#x27; + this.clone.y + &#x27;px, 0)&#x27;;</span><br><span class="line">                document.body.appendChild(this.clone.element);</span><br><span class="line">            &#125;</span><br><span class="line">            handlePointermove(e) &#123;</span><br><span class="line">                if (this.isPointerdown) &#123;</span><br><span class="line">                    this.diff.x = e.clientX - this.lastPointermove.x;</span><br><span class="line">                    this.diff.y = e.clientY - this.lastPointermove.y;</span><br><span class="line">                    this.lastPointermove.x = e.clientX;</span><br><span class="line">                    this.lastPointermove.y = e.clientY;</span><br><span class="line">                    this.clone.x += this.diff.x;</span><br><span class="line">                    this.clone.y += this.diff.y;</span><br><span class="line">                    this.clone.element.style.transform = &#x27;translate3d(&#x27; + this.clone.x + &#x27;px, &#x27; + this.clone.y + &#x27;px, 0)&#x27;;</span><br><span class="line">                    for (let i = 0; i &lt; this.rectList.length; i++) &#123;</span><br><span class="line">                        // 碰撞检测</span><br><span class="line">                        if (e.clientX &gt; this.rectList[i].left &amp;&amp; e.clientX &lt; this.rectList[i].right &amp;&amp;</span><br><span class="line">                            e.clientY &gt; this.rectList[i].top &amp;&amp; e.clientY &lt; this.rectList[i].bottom) &#123;</span><br><span class="line">                            this.drop.element = this.parent.children[i];</span><br><span class="line">                            this.drop.lastIndex = i;</span><br><span class="line">                            if (this.drag.element !== this.drop.element) &#123;</span><br><span class="line">            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